View Compilation Error

0_0_7466888_6816.c: In function `main':
0_0_7466888_6816.c:56: error: too few arguments to function `exp'
0_0_7466888_6816.c: In function `exp':
0_0_7466888_6816.c:67: error: number of arguments doesn't match prototype
cc1.exe: error: prototype declaration
0_0_7466888_6816.c: In function `factor':
0_0_7466888_6816.c:111: error: too few arguments to function `exp'